Ophestra
985c4dd2fc
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This otherwise creates a confusing error message on a revert failure. Signed-off-by: Ophestra <cat@gensokyo.uk>
38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
package system
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import (
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"hakurei.app/system/internal/xcb"
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)
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// ChangeHosts inserts the target user into X11 hosts and deletes it once its [Enablement] is no longer satisfied.
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func (sys *I) ChangeHosts(username string) *I {
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sys.ops = append(sys.ops, xhostOp(username))
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return sys
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}
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// xhostOp implements [I.ChangeHosts].
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type xhostOp string
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func (x xhostOp) Type() Enablement { return EX11 }
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func (x xhostOp) apply(sys *I) error {
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sys.verbosef("inserting entry %s to X11", x)
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return newOpError("xhost",
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sys.xcbChangeHosts(xcb.HostModeInsert, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)), false)
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}
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func (x xhostOp) revert(sys *I, ec *Criteria) error {
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if ec.hasType(x.Type()) {
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sys.verbosef("deleting entry %s from X11", x)
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return newOpError("xhost",
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sys.xcbChangeHosts(xcb.HostModeDelete, xcb.FamilyServerInterpreted, "localuser\x00"+string(x)), true)
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} else {
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sys.verbosef("skipping entry %s in X11", x)
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return nil
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}
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}
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func (x xhostOp) Is(o Op) bool { target, ok := o.(xhostOp); return ok && x == target }
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func (x xhostOp) Path() string { return "/tmp/.X11-unix" }
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func (x xhostOp) String() string { return string("SI:localuser:" + x) }
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